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Is it at all possible to link a resource as defined by a Resource Template (e.g. a Dialog, Menu, etc)item on it's own into a project, either as an independent resource script fragment, or, at linker level, as a PE linkable object file.
Regards, 
Bram van Kampen
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You can add any number of .rc files into a project. Put the code that you want to reuse into a .rc file and add it to the project.
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Thanks, that's helpfull,
I have to declare the resource identifiers somewhere though, in such a manner that the classwizard does not clobber them.
It does not solve the above problem, but currently I tried to add the CPP Code in as an obj file, and let the linker sort the rest.That works quite well for the CPP Files. But what does the resource compiler do with the .rc file, so that the linker can pick it up. (and, in case someone remarks the obvious, I DO include header files for the obj files).
Bram van Kampen
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You can create resource only dll's:
http://msdn.microsoft.com/en-us/library/24b2tcy0(VS.80).aspx[^]
...cmk
The idea that I can be presented with a problem, set out to logically solve it with the tools at hand, and wind up with a program that could not be legally used because someone else followed the same logical steps some years ago and filed for a patent on it is horrifying.
- John Carmack
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as the subject.
Why do the HBITMAP be changed to black?I dont think my code have problems.
my code is as below:
app start,laod the HBITMAP from resource and store to a global HBITMAP.
then paint it on sever windows in the same process.
I found sometimes the HBITMAP was changed to black.
Could anybody meet the same issue?
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Did you use of WM_ERASEBKGND and can you show your code?
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BEGIN_MSG_MAP(CMyButton)
MESSAGE_HANDLER(WM_CREATE,OnCreate)
MESSAGE_HANDLER(WM_PAINT,OnPaint)
MESSAGE_HANDLER(WM_LBUTTONDOWN,OnLButtonDown)
MESSAGE_HANDLER(WM_LBUTTONUP,OnLButtonUp)
MESSAGE_HANDLER(WM_MOUSEMOVE ,OnMouseMove)
MESSAGE_HANDLER(WM_MOUSELEAVE ,OnMouseLeave)
MESSAGE_HANDLER(WM_KILLFOCUS, OnRefresh)
MESSAGE_HANDLER(WM_SETFOCUS, OnRefresh)
MESSAGE_HANDLER(BM_SETCHECK, OnStateChange)
MESSAGE_HANDLER(BM_SETSTATE, OnStateChange)
MESSAGE_HANDLER(WM_ENABLE, OnRefresh)
MESSAGE_HANDLER(WM_UPDATEUISTATE,OnRefresh)
END_MSG_MAP()
I did not use the WM_ERASEBKGND,and the system will do the default?
Need I to disable this msg?such as :
in handle WM_ERASEBKGND msg,return TRUE.
Great & Free windows software for you
http://www.aisnote.com
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Bitmaps don't just change to black by themselves.
You haven't provided anything for us to be able to help you.
How and where are you drawing the bitmap?
What is the format of the bitmap?
Mark Salsbery
Microsoft MVP - Visual C++
![Java | [Coffee]](https://www.codeproject.com/script/Forums/Images/coffee.gif)
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Thanks your reply.Let me explain how I used the bitmap in my code.
I used WTL.
I just on WM_PAINT to draw the groupbox background use the bitmap.And I need to make the bitmap transparent.
In common ,the isssue do not duplicated.But sometimes it can be duplicated.
I posted the issue in detail here:
http://aisnote.spaces.live.com/blog/cns!5F43300FF5FC67C!161.entry[^]
Great & Free windows software for you
http://www.aisnote.com
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Still no code showing how you render the bitmap...
Mark
Mark Salsbery
Microsoft MVP - Visual C++
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HBITMAP WINAPI ExtractSubBitmap(HBITMAP hSrcBitmap,CPoint ptStart,CPoint ptEnd)
{
HBITMAP hBitmap = NULL;
CDC srcMemDC,desMemDC;
HDC hDC = ::GetDC(0);
srcMemDC.CreateCompatibleDC(hDC);
desMemDC.CreateCompatibleDC(hDC);
srcMemDC.SelectBitmap(hSrcBitmap);
hBitmap = CreateCompatibleBitmap(hDC,ptEnd.x-ptStart.x,ptEnd.y-ptStart.y);
desMemDC.SelectBitmap(hBitmap);
desMemDC.BitBlt(0,0,ptEnd.x-ptStart.x,ptEnd.y-ptStart.y,srcMemDC,ptStart.x,ptStart.y,SRCCOPY);
ReleaseDC(0,hDC);
return hBitmap;
}
And I used the reurn hBitmap to draw.But sometimes I found the passed "HBITMAP hSrcBitmap" have been changed to black.why?
Great & Free windows software for you
http://www.aisnote.com
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I've never used WTL, but generally you need to select bitmaps back out of a DC
(by restoring its previous bitmap) before using the bitmap.
Is hSrcBitmap a device dependent bitmap or a DIBSection?
Is hSrcBitmap always the same format (bits-per-pixel), and is the format compatible
with the screen?
Mark Salsbery
Microsoft MVP - Visual C++
![Java | [Coffee]](https://codeproject.global.ssl.fastly.net/script/Forums/Images/coffee.gif)
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hSrcBitmap is just use LoadBitmap from resource and stored in
a global member so that it can be shared by some windows.
Great & Free windows software for you
http://www.aisnote.com
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e_ilite wrote: hSrcBitmap is just use LoadBitmap from resource
If hSrcBitmap is not a DIBSection:
hSrcBitmap has to be the same format as the screen or the SelectBitmap will fail.
What format is hSrcBitmap? 8bpp? 24bpp?
Mark Salsbery
Microsoft MVP - Visual C++
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The origin bitmap of hSrcBitmap is 24bpp.
Great & Free windows software for you
http://www.aisnote.com
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Can you reproduce the problem consistently and debug it, like error checking
all the GDI cal return values?
Mark
Mark Salsbery
Microsoft MVP - Visual C++
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Hi all,
I am getting an error C2022: '65279' : too big for character at the line in bold below, What should I change here? This code works if I use wsprintfW and wszBuffer is WCHAR however I need this for multibyte and must use "_T" not "L"
Any advise?
Thanks,
Jayjay
if( pRegInfo->uTaskRegID == 0 )
{
GUID AppGUID, TaskGUID;
::CoCreateGuid(&AppGUID);
::CoCreateGuid(&TaskGUID);
WCHAR wszGUID[50], wszTaskGUID[50];
::StringFromGUID2(AppGUID, wszGUID, 50);
::StringFromGUID2(TaskGUID, wszTaskGUID, 50);
TCHAR wszBuffer[1025] = { 0 };
::wsprintf(wszBuffer,
_T("\xfeff<?xml version=\"1.0\" encoding=\"UTF-16\" ?>\n")
_T("<applications xmlns=\"http://schemas.microsoft.com/windows/cpltasks/v1\" xmlns:sh=\"http://schemas.microsoft.com/windows/tasks/v1\">")
_T("<application id=\"%s\">")
_T("<sh:task id=\"%s\" needsElevation=\"%s\">")
#ifdef _UNICODE
L"<sh:name>@%s,-%ld</sh:name>"
L"<sh:keywords>@%s,-%ld</sh:keywords>"
L"<sh:command>%%systemroot%%\\system32\\control.exe /name %s</sh:command>"
#else
_T("<sh:name>@%hs,-%ld</sh:name>")
_T("<sh:keywords>@%hs,-%ld</sh:keywords>")
_T("<sh:command>%%systemroot%%\\system32\\control.exe /name %hs</sh:command>")
#endif // _UNICODE
_T("</sh:task>")
_T("<category id=\"%ld\">")
_T("<sh:task idref=\"%s\"/>")
_T("</category>")
_T("</application>")
_T("</applications>"),
wszGUID,
wszTaskGUID,
pRegInfo->dwRunLevel == 0 ? _T("false") : _T("true"),
szDllName, Info.uTaskRes,
szDllName, Info.uKeywordsRes,
Info.pstrCanonicalName,
pRegInfo->dwCategory,
wszTaskGUID);
::wsprintf(szGUID, _T("%ws"), wszGUID);
::lstrcpy(szTaskFileUrl, szDllFile);
::wsprintf(_FindLastOf(szTaskFileUrl, '.'), _T("_cpl%d.xml"), pRegInfo->iIndex + 1);
if( bRegister ) {
HANDLE hFile = ::CreateFile(szTaskFileUrl, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if( hFile == INVALID_HANDLE_VALUE ) return HRESULT_FROM_WIN32(::GetLastError());
DWORD dwWritten = 0;
::WriteFile(hFile, wszBuffer, ::lstrlen(wszBuffer) * sizeof(WCHAR), &dwWritten, NULL);
::CloseHandle(hFile);
}
else {
::DeleteFile(szTaskFileUrl);
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I don't see a bold line. Error C2022 in the documentation says, "The octal number following a backslash (\) in a character or string constant is too big to represent a character". So I am guess that you are trying to assign a number greater than 255 for a char variable.
-Saurabh
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Hi Saurabh,
It is this line
_T("\xfeff<?xml version=\"1.0\" encoding=\"UTF-16\" ?>\n")
Thanks,
Jayjay
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The first character is \xfeff which is 65279. This value cannot be stored in a char variable. I think you can split it into two characters for ANSI chars (\xfe\xff) and single char for wide-chars.
-Saurabh
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Saurabh.Garg wrote: The first character is \xfeff which is 65279. This value cannot be stored in a char variable. I think you can split it into two characters for ANSI chars (\xfe\xff) and single char for wide-chars.
But:
Keep in mind how values are stored.On an Intel Machine: \xfeff should be reversed when broken up as: \xff\xfe.
Bram van Kampen
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Hello
I have a strange behavior with a program I've made
I've first made a dialog box with an OpenGL display
Everything was working ok
Then I added a button in my dialog box then transfer my OpenGL calls in it (subclass from CButton)
The OpenGL drawing work ok on the button, but the timer on my calling dialog box freeze when I'm using the OpenGL functions
The timer resume normally when I close the dialog box
- The OpenGL call is the same as it was when it was directly on the dialog box
- When I deactivate the OpenGL calls, my timer work ok
Do anyone have an idea off what is happening?
Thank you
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Hi everybody! I am developing an application in visual c++ (windows form application), and i want to set some of the parameters of my wireless card thru ndis (for instance the infrastuture mode). Can I do that ? how? any idea?
thaks!!!
Gloria.
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how to write a code in VC++ for acquiring an image from the camera through activedcam card
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